Oddity using Xcode 4.4 on OS 10.7.

[Jeremy Lavergne]

> However, my /usr/bin/clang is still the old version, and does not
> match the one below /Applications/Xcode.app:

Is that clang a symlink?

> Humber:RailEasy williamg$ /usr/bin/clang --version
> Apple clang version 3.1 (tags/Apple/clang-318.0.61) (based on LLVM 3.1svn)
> Target: x86_64-apple-darwin11.4.0
> Thread model: posix
> Humber:RailEasy williamg$
> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang
> --version
> Apple clang version 4.0 (tags/Apple/clang-421.0.57) (based on LLVM 3.1svn)
> Target: x86_64-apple-darwin11.4.0
> Thread model: posix
> 
> Is this expected behaviour? It seems very odd to me. The other thing
> that's odd is that if I quit and restart Xcode, the Command Line Tools
> have an "Install" button again, instead of saying "Installed". So
> clearly Xcode doesn't think the installation has worked either.

You might consider installing the Command Line Tools from connect.apple.com.